Editor’s Note: Indication up for Unlocking the Entire world, CNN Travel’s weekly newsletter. Get news about locations opening, inspiration for future adventures, moreover the hottest in aviation, food and drink, in which to keep and other travel developments. CNN  —  Hong Kong’s government has announced designs to give away 500,000 cost-free airline tickets as element of efforts to revive its tourism market and catch the attention of visitors back again to the town. The “Hello Hong Kong” initiative was unveiled on Thursday but has been in the will work for about two yrs. Tickets will be unfold out amid the city’s 3 airways – flag carrier Cathay Pacific, HK Specific…